德福科技：自主研发的3um超薄载体铜箔等产品已批量稳定供货

Core Viewpoint - The company has successfully achieved stable mass production of its self-developed ultra-thin carrier copper foil and various generations of copper foil products, marking a significant step in domestic substitution [1] Group 1 - The company has developed 3um ultra-thin carrier copper foil, RTF1-3 generation copper foil, and HVLP1-3 generation copper foil [1] - These products have reached stable mass supply, indicating successful production capabilities [1] - The achievement signifies a move towards domestic substitution in the copper foil market [1]